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Roy MA, Mohan A, Karasik Y, Tobiason JE, Reckhow DA, Timme-Laragy AR. The Zebrafish (Danio rerio) Embryo Model as a Tool to Assess Drinking Water Treatment Efficacy for Freshwater Impacted by Crude Oil Spill. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2822-2834. [PMID: 36040130 PMCID: PMC9711864 DOI: 10.1002/etc.5472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/22/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Traditional approaches toward evaluating oil spill mitigation effectiveness in drinking water supplies using analytical chemistry can overlook residual hydrocarbons and treatment byproducts of unknown toxicity. Zebrafish (Danio rerio) were used to address this limitation by evaluating the reduction in toxicity to fish exposed to laboratory solutions of dissolved crude oil constituents treated with 3 mg/L ozone (O3 ) with or without a peroxone-based advanced oxidation process using 0.5 M H2 O2 /M O3 or 1 M H2 O2 /M O3 . Crude oil water mixtures (OWMs) were generated using three mixing protocols-orbital (OWM-Orb), rapid (OWM-Rap), and impeller (OWM-Imp) and contained dissolved total aromatic concentrations of 106-1019 µg/L. In a first experiment, embryos were exposed at 24 h post fertilization (hpf) to OWM-Orb or OWM-Rap diluted to 25%-50% of full-strength samples and in a second experiment, to untreated or treated OWM-Imp mixtures at 50% dilutions. Toxicity profiles included body length, pericardial area, and swim bladder inflation, and these varied depending on the OWM preparation, with OWM-Rap resulting in the most toxicity, followed by OWM-Imp and then OWM-Orb. Zebrafish exposed to a 50% dilution of OWM-Imp resulted in 6% shorter body length, 83% increased pericardial area, and no swim bladder inflation, but exposure to a 50% dilution of OWM-Imp treated with O3 alone or with 0.5 M H2 O2 /M O3 resulted in normal zebrafish development and average total aromatic destruction of 54%-57%. Additional aromatic removal occurred with O3 + 1 M H2 O2 /M O3 but without further attenuation of toxicity to zebrafish. This study demonstrates using zebrafish as an additional evaluation component for modeling the effectiveness of freshwater oil spill treatment methods. Environ Toxicol Chem 2022;41:2822-2834. © 2022 SETAC.
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Affiliation(s)
- Monika A. Roy
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, USA
- Biotechnology Training Program, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | - Aarthi Mohan
- Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | - Yankel Karasik
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | - John E. Tobiason
- Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | - David A. Reckhow
- Department of Civil and Environmental Engineering, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | - Alicia R. Timme-Laragy
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, USA
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Bozinovic G, Feng Z, Shea D, Oleksiak MF. Cardiac physiology and metabolic gene expression during late organogenesis among F. heteroclitus embryo families from crosses between pollution-sensitive and -resistant parents. BMC Ecol Evol 2022; 22:3. [PMID: 34996355 PMCID: PMC8739662 DOI: 10.1186/s12862-022-01959-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 01/01/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The teleost fish Fundulus heteroclitus inhabit estuaries heavily polluted with persistent and bioaccumulative chemicals. While embryos of parents from polluted sites are remarkably resistant to toxic sediment and develop normally, embryos of parents from relatively clean estuaries, when treated with polluted sediment extracts, are developmentally delayed, displaying deformities characteristic of pollution-induced embryotoxicity. To gain insight into parental effects on sensitive and resistant phenotypes during late organogenesis, we established sensitive, resistant, and crossed embryo families using five female and five male parents from relatively clean and predominantly PAH-polluted estuaries each, measured heart rates, and quantified individual embryo expression of 179 metabolic genes. RESULTS Pollution-induced embryotoxicity manifested as morphological deformities, significant developmental delays, and altered cardiac physiology was evident among sensitive embryos resulting from crosses between females and males from relatively clean estuaries. Significantly different heart rates among several geographically unrelated populations of sensitive, resistant, and crossed embryo families during late organogenesis and pre-hatching suggest site-specific adaptive cardiac physiology phenotypes relative to pollution exposure. Metabolic gene expression patterns (32 genes, 17.9%, at p < 0.05; 11 genes, 6.1%, at p < 0.01) among the embryo families indicate maternal pollutant deposition in the eggs and parental effects on gene expression and metabolic alterations. CONCLUSION Heart rate differences among sensitive, resistant, and crossed embryos is a reliable phenotype for further explorations of adaptive mechanisms. While metabolic gene expression patterns among embryo families are suggestive of parental effects on several differentially expressed genes, a definitive adaptive signature and metabolic cost of resistant phenotypes is unclear and shows unexpected sensitive-resistant crossed embryo expression profiles. Our study highlights physiological and metabolic gene expression differences during a critical embryonic stage among pollution sensitive, resistant, and crossed embryo families, which may contribute to underlying resistance mechanisms observed in natural F. heteroclitus populations living in heavily contaminated estuaries.
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Affiliation(s)
- Goran Bozinovic
- Boz Life Science Research and Teaching Institute, San Diego, CA, USA.
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA.
- Division of Biological Sciences, University of California San Diego, San Diego, CA, USA.
| | - Zuying Feng
- Boz Life Science Research and Teaching Institute, San Diego, CA, USA
| | - Damian Shea
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Marjorie F Oleksiak
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
- Department of Marine Biology and Ecology, Rosenstiel School of Marine and Atmospheric Sciences, University of Miami, Miami, FL, USA
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Xie J, Han Q, Wei Z, Wang Y, Wang S, Chen M. Phenanthrene induces autism-like behavior by promoting oxidative stress and mTOR pathway activation. Toxicology 2021; 461:152910. [PMID: 34453960 DOI: 10.1016/j.tox.2021.152910] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 11/27/2022]
Abstract
Autism is thought to be associated with both environmental and genetic factors. Phenanthrene (Phe) makes up a relatively high proportion of the low-ring polycyclic aromatic hydrocarbons. However, the association between exposure to Phe and Autism remain unclear. In this study, the effect and mechanisms of phenanthrene exposure on autistic behavior were investigated. Three-week-old male Kunming mice were exposed to doses of 5, 50, or 500 μg/kg/d Phe for 22 days. Exposure to phenanthrene induced a marked decrease in the activity of the mice in the central area in the open field test, and caused a significant decrease in communication with unfamiliar mice in the three-chambered social test. The hippocampus of the mice exposed to high concentrations of Phe showed pathological changes. Exposure to phenanthrene induced an increase in the levels of ROS and a decrease in levels of glutathione, and caused a significant decrease in the expression of Shank3 and Beclin1. This also led to an increase in the phosphorylation levels of Akt and mTOR. However, administering Rapamycin or vitamin E, inhibited the oxidative stress and activation of the mTOR pathway induced by Phe exposure, effectively alleviating the above-mentioned autistic-like anxious social behaviors. These results indicate that exposure to phenanthrene will lead to autism-like behavior. The underlying mechanism involves oxidative stress and the mTOR pathway.
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Affiliation(s)
- Jing Xie
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Qi Han
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Zhaolan Wei
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Yunyi Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Shuwei Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Mingqing Chen
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan, 430079, Hubei, China.
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Everitt S, Fujita KK, MacPherson S, Brinkmann M, Pyle GG, Wiseman S. Toxicity of Weathered Sediment-Bound Dilbit to Early Life Stages of Zebrafish ( Danio rerio). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:1721-1729. [PMID: 33449613 DOI: 10.1021/acs.est.0c06349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Due to high viscosity, bitumen extracted from the Alberta oil sands is diluted with natural gas condensates to form diluted bitumen (dilbit) to facilitate transport through pipelines. Dilbit that is spilled into or near a waterbody is subject to environmental weathering processes such as evaporation and interaction with sediments. This is the first study that assessed the toxicity of weathered sediment-bound dilbit (WSD) to fish early life stages. Exposure of zebrafish (Danio rerio) embryos to water-soluble fractions (WSFs) or water-accommodated fractions (WAFs) of WSD from 30 min to 120 h postfertilization resulted in pericardial edema, yolk sac edema, and incidences of uninflated swim bladder. The presence of oil-mineral aggregates (OMAs) in the WAFs greatly increased toxicity, despite all fractions having similar concentrations of dissolved polycyclic aromatic hydrocarbons (PAHs). There were greater cyp1a mRNA abundances in larvae exposed to WAFs, suggesting that there were differences in bioavailability of PAHs between fractions. However, there was little evidence that embryotoxicity was caused by oxidative stress. Results suggest that evaporation and sediment interaction do not completely attenuate toxicity of dilbit to zebrafish early life stages, and OMAs in exposures exacerbate toxicity.
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Affiliation(s)
- Sean Everitt
- Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
| | - Kaden K Fujita
- Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
| | - Stephanie MacPherson
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
| | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
- School of Environment and Sustainability (SENS), University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
- Global Institute for Water Security, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5C8, Canada
| | - Gregory G Pyle
- Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
- Water Institute for Sustainable Environment, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
| | - Steve Wiseman
- Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
- Water Institute for Sustainable Environment, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
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Roy MA, Sant KE, Venezia OL, Shipman AB, McCormick SD, Saktrakulkla P, Hornbuckle KC, Timme-Laragy AR. The emerging contaminant 3,3'-dichlorobiphenyl (PCB-11) impedes Ahr activation and Cyp1a activity to modify embryotoxicity of Ahr ligands in the zebrafish embryo model (Danio rerio). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 254:113027. [PMID: 31421573 PMCID: PMC7027435 DOI: 10.1016/j.envpol.2019.113027] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 07/29/2019] [Accepted: 08/04/2019] [Indexed: 05/25/2023]
Abstract
3,3'-dichlorobiphenyl (PCB-11) is an emerging PCB congener widely detected in environmental samples and human serum, but its toxicity potential is poorly understood. We assessed the effects of three concentrations of PCB-11 on embryotoxicity and Aryl hydrocarbon receptor (Ahr) pathway interactions in zebrafish embryos (Danio rerio). Wildtype AB or transgenic Tg(gut:GFP) strain zebrafish embryos were exposed to static concentrations of PCB-11 (0, 0.2, 2, or 20 μM) from 24 to 96 h post fertilization (hpf), and gross morphology, Cytochrome P4501a (Cyp1a) activity, and liver development were assessed via microscopy. Ahr interactions were probed via co-exposures with PCB-126 or beta-naphthoflavone (BNF). Embryos exposed to 20 μM PCB-11 were also collected for PCB-11 body burden, qRT-PCR, RNAseq, and histology. Zebrafish exposed to 20 μM PCB-11 absorbed 0.18% PCB-11 per embryo at 28 hpf and 0.61% by 96 hpf, and their media retained 1.36% PCB-11 at 28 hpf and 0.84% at 96 hpf. This concentration did not affect gross morphology, but altered the transcription of xenobiotic metabolism and liver development genes, impeded liver development, and increased hepatocyte vacuole formation. In co-exposures, 20 μM PCB-11 prevented deformities caused by PCB-126 but exacerbated deformities in co-exposures with BNF. This study suggests that PCB-11 can affect liver development, act as a partial agonist/antagonist of the Ahr pathway, and act as an antagonist of Cyp1a activity to modify the toxicity of compounds that interact with the Ahr pathway.
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Affiliation(s)
- Monika A Roy
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, MA 01003, USA; Biotechnology Training Program, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Karilyn E Sant
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Olivia L Venezia
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Alix B Shipman
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Stephen D McCormick
- US Geological Survey, Leetown Science Center, S.O. Conte Anadromous Fish Research Laboratory, Turners Falls, MA 01376, USA
| | - Panithi Saktrakulkla
- Interdisciplinary Graduate Program in Human Toxicology, University of Iowa, Iowa City, IA 52242, USA
| | - Keri C Hornbuckle
- Department of Civil and Environmental Engineering and IIHR-Hydroscience and Engineering, University of Iowa, Iowa City, IA 52242, USA
| | - Alicia R Timme-Laragy
- Department of Environmental Health Sciences, University of Massachusetts Amherst, Amherst, MA 01003, USA.
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Dale K, Müller MB, Tairova Z, Khan EA, Hatlen K, Grung M, Yadetie F, Lille-Langøy R, Blaser N, Skaug HJ, Lyche JL, Arukwe A, Hylland K, Karlsen OA, Goksøyr A. Contaminant accumulation and biological responses in Atlantic cod (Gadus morhua) caged at a capped waste disposal site in Kollevåg, Western Norway. MARINE ENVIRONMENTAL RESEARCH 2019; 145:39-51. [PMID: 30803754 DOI: 10.1016/j.marenvres.2019.02.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/04/2019] [Accepted: 02/08/2019] [Indexed: 06/09/2023]
Abstract
The aim of this study was to assess whether fish in Kollevåg, a sheltered bay on the western coast of Norway, previously utilized as a waste disposal site, could be affected by environmental contaminants leaking from the waste. Farmed, juvenile Atlantic cod (Gadus morhua) were caged for six weeks at three different locations in Kollevåg bay and at one reference location. Sediments and cod samples (bile and liver) were analyzed for polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), brominated flame retardants (BFRs), per-and polyfluoroalkyl substances (PFASs) and polycyclic aromatic hydrocarbon (PAH) metabolites, revealing a contamination gradient at the four stations. Furthermore, hepatosomatic index (HSI) and Fulton's condition factor (CF) were significantly lower in cod caged closest to the disposal site. Levels and activities of biomarker proteins, such as vitellogenin (Vtg), metallothionein (Mt), and biotransformation and oxidative stress enzymes, including cytochrome P450 1a and 3a (Cyp1a, Cyp3a), glutathione s-transferase (Gst) and catalase (Cat), were quantified in blood plasma and liver tissue. Hepatic Cat and Gst activities were significantly reduced in cod caged at the innermost stations in Kollevåg, indicating modulation of oxidative stress responses. However, these results contrasted with reduced hepatic lipid peroxidation. Significant increases in transcript levels were observed for genes involved in lipid metabolism (fasn and acly) in cod liver, while transcript levels of ovarian steroidogenic enzyme genes such as p450scc, cyp19, 3β-hsd and 20β-hsd showed significant station-dependent increases. Cyp1a and Vtg protein levels were however not significantly altered in cod caged in Kollevåg. Plasma levels of estradiol (E2) and testosterone (T) were determined by enzyme immunoassay (EIA) and showed elevated E2 levels, but only at the innermost station. We conclude that the bay of Kollevåg did not fullfill adequate environmental condition based on environmental quality standards (EQSs) for chemicals in coastal waters. Following a six weeks caging period, environmental contaminants accumulated in cod tissues and effects were observed on biomarker responses, especially those involved in reproductive processes in cod ovary.
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Affiliation(s)
- Karina Dale
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53A, 5006, Bergen, Norway.
| | - Mette Bjørge Müller
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, Ullevålsveien 72, 0454, Oslo, Norway.
| | - Zhanna Tairova
- Department of Biosciences, University of Oslo, Blindernveien 31, 0317, Oslo, Norway.
| | - Essa Ahsan Khan
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, 7491, Trondheim, Norway.
| | | | - Merete Grung
- Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349, Oslo, Norway.
| | - Fekadu Yadetie
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53A, 5006, Bergen, Norway.
| | - Roger Lille-Langøy
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53A, 5006, Bergen, Norway.
| | - Nello Blaser
- Department of Mathematics, University of Bergen, Allégaten 41, 5007, Bergen, Norway.
| | - Hans J Skaug
- Department of Mathematics, University of Bergen, Allégaten 41, 5007, Bergen, Norway.
| | - Jan Ludvig Lyche
- Department of Food Safety and Infection Biology, Norwegian University of Life Sciences, Ullevålsveien 72, 0454, Oslo, Norway.
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, 7491, Trondheim, Norway.
| | - Ketil Hylland
- Department of Biosciences, University of Oslo, Blindernveien 31, 0317, Oslo, Norway.
| | - Odd André Karlsen
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53A, 5006, Bergen, Norway.
| | - Anders Goksøyr
- Department of Biological Sciences, University of Bergen, Thormøhlensgate 53A, 5006, Bergen, Norway.
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Stepankova M, Bartonkova I, Jiskrova E, Vrzal R, Mani S, Kortagere S, Dvorak Z. Methylindoles and Methoxyindoles are Agonists and Antagonists of Human Aryl Hydrocarbon Receptor. Mol Pharmacol 2018; 93:631-644. [PMID: 29626056 DOI: 10.1124/mol.118.112151] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 04/02/2018] [Indexed: 12/13/2022] Open
Abstract
Novel methylindoles were identified as endobiotic and xenobiotic ligands of the human aryl hydrocarbon receptor (AhR). We examined the effects of 22 methylated and methoxylated indoles on the transcriptional activity of AhRs. Employing reporter gene assays in AZ-AHR transgenic cells, we determined full agonist, partial agonist, or antagonist activities of tested compounds, having substantially variable EC50, IC50, and relative efficacies. The most effective agonists (EMAX relative to 5 nM dioxin) of the AhR were 4-Me-indole (134%), 6-Me-indole (91%), and 7-MeO-indole (80%), respectively. The most effective antagonists of the AhR included 3-Me-indole (IC50; 19 μM), 2,3-diMe-indole (IC50; 11 μM), and 2,3,7-triMe-indole (IC50; 12 μM). Reverse transcription polymerase chain reaction analyses of CYP1A1 mRNA in LS180 cells confirmed the data from gene reporter assays. The compound leads, 4-Me-indole and 7-MeO-indole, induced substantial nuclear translocation of the AhR and enriched binding of the AhR to the CYP1A1 promoter, as observed using fluorescent immunohistochemistry and chromatin immunoprecipitation assays, respectively. Molecular modeling and docking studies suggest the agonists and antagonists likely share the same binding pocket but have unique binding modes that code for their affinity. Binding pocket analysis further revealed that 4-methylindole and 7-methoxyindole can simultaneously bind to the pocket and produce synergistic interactions. Together, these data show a dependence on subtle and specific chemical indole structures as AhR modulators and furthermore underscore the importance of complete evaluation of indole compounds as nuclear receptor ligands.
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Affiliation(s)
- Martina Stepankova
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
| | - Iveta Bartonkova
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
| | - Eva Jiskrova
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
| | - Radim Vrzal
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
| | - Sridhar Mani
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
| | - Sandhya Kortagere
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
| | - Zdenek Dvorak
- Regional Centre of Advanced Technologies and Materials, Faculty of Science, Palacky University, Olomouc, Czech Republic (M.S., I.B., E.J., R.V., Z.D.); Departments of Genetics and Medicine, Albert Einstein College of Medicine, Bronx, New York (S.M.); and Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, Pennsylvania (S.K.)
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